.prettierrc.js

// Documentation for this file: https://prettier.io/docs/en/configuration.html
module.exports = {
  // We use a larger print width because Prettier's word-wrapping seems to be tuned
  // for plain JavaScript without type annotations
  printWidth: 110,
  // Microsoft style quotes
  singleQuote: true,
  // Preserve existing newlines
  endOfLine: 'auto',
  // For ES5, trailing commas cannot be used in function parameters; it is counterintuitive
  // to use them for arrays only
  trailingComma: 'none'
};